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< ? php
/**
* @ file
* Test the Tree Builder .
*/
namespace Masterminds\HTML5\Tests\Parser ;
use Masterminds\HTML5\Parser\Scanner ;
use Masterminds\HTML5\Parser\Tokenizer ;
use Masterminds\HTML5\Parser\DOMTreeBuilder ;
/**
* These tests are functional , not necessarily unit tests .
*/
class DOMTreeBuilderTest extends \Masterminds\HTML5\Tests\TestCase
{
protected $errors = array ();
/**
* Convenience function for parsing .
*/
protected function parse ( $string , array $options = array ())
{
$treeBuilder = new DOMTreeBuilder ( false , $options );
$scanner = new Scanner ( $string );
$parser = new Tokenizer ( $scanner , $treeBuilder );
$parser -> parse ();
$this -> errors = $treeBuilder -> getErrors ();
return $treeBuilder -> document ();
}
/**
* Utility function for parsing a fragment of HTML5 .
*/
protected function parseFragment ( $string )
{
$treeBuilder = new DOMTreeBuilder ( true );
$scanner = new Scanner ( $string );
$parser = new Tokenizer ( $scanner , $treeBuilder );
$parser -> parse ();
$this -> errors = $treeBuilder -> getErrors ();
return $treeBuilder -> fragment ();
}
public function testDocument ()
{
$html = '<!DOCTYPE html><html></html>' ;
$doc = $this -> parse ( $html );
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$this -> assertEquals ( 'UTF-8' , $doc -> encoding );
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$this -> assertInstanceOf ( '\DOMDocument' , $doc );
$this -> assertEquals ( 'html' , $doc -> documentElement -> tagName );
$this -> assertEquals ( 'http://www.w3.org/1999/xhtml' , $doc -> documentElement -> namespaceURI );
}
public function testBareAmpersand ()
{
$html = " <!doctype html>
< html >
< body >
< img src = 'a&b' />
< img src = 'a&=' />
< img src = 'a&=c' />
< img src = 'a&=9' />
</ body >
</ html > " ;
$doc = $this -> parse ( $html );
$this -> assertEmpty ( $this -> errors );
$this -> assertXmlStringEqualsXmlString ( '
<! DOCTYPE html >
< html xmlns = " http://www.w3.org/1999/xhtml " >< body >
< img src = " a&b " />
< img src = " a&= " />
< img src = " a&=c " />
< img src = " a&=9 " />
</ body >
</ html > ' , $doc -> saveXML ());
}
public function testBareAmpersandNotAllowedInAttributes ()
{
$html = " <!doctype html>
< html >
< body >
< img src = 'a&' />
< img src = 'a&+' />
</ body >
</ html > " ;
$doc = $this -> parse ( $html );
$this -> assertCount ( 2 , $this -> errors );
$this -> assertXmlStringEqualsXmlString ( '
<! DOCTYPE html >
< html xmlns = " http://www.w3.org/1999/xhtml " >< body >
< img src = " a& " />
< img src = " a&+ " />
</ body >
</ html > ' , $doc -> saveXML ());
}
public function testBareAmpersandNotAllowedInBody ()
{
$html = ' <! doctype html >
< html >
< body >
a & b
a &=
a &= c
a &= 9
a &+
a & -- valid
</ body >
</ html > ' ;
$doc = $this -> parse ( $html );
$this -> assertCount ( 5 , $this -> errors );
$this -> assertXmlStringEqualsXmlString ( '
<! DOCTYPE html >
< html xmlns = " http://www.w3.org/1999/xhtml " >< body >
a & amp ; b
a & amp ; =
a & amp ; = c
a & amp ; = 9
a & amp ; +
a & amp ; -- valid
</ body >
</ html > ' , $doc -> saveXML ());
}
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public function testEntityAtEndOfFile ()
{
$fragment = $this -> parseFragment ( '&#' );
$this -> assertInstanceOf ( 'DOMDocumentFragment' , $fragment );
$this -> assertSame ( '&#' , $fragment -> textContent );
$this -> assertEquals ( 'Line 1, Col 2: Expected &#DEC; &#HEX;, got EOF' , $this -> errors [ 0 ]);
}
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public function testStrangeCapitalization ()
{
$html = ' <! doctype html >
< html >
< head >
< Title > Hello , world !</ TitlE >
</ head >
< body > TheBody < script > foo </ script ></ body >
</ html > ' ;
$doc = $this -> parse ( $html );
$this -> assertInstanceOf ( '\DOMDocument' , $doc );
$this -> assertEquals ( 'html' , $doc -> documentElement -> tagName );
$xpath = new \DOMXPath ( $doc );
$xpath -> registerNamespace ( 'x' , 'http://www.w3.org/1999/xhtml' );
$this -> assertEquals ( 'Hello, world!' , $xpath -> query ( '//x:title' ) -> item ( 0 ) -> nodeValue );
$this -> assertEquals ( 'foo' , $xpath -> query ( '//x:script' ) -> item ( 0 ) -> nodeValue );
}
public function testDocumentWithDisabledNamespaces ()
{
$html = '<!DOCTYPE html><html></html>' ;
$doc = $this -> parse ( $html , array ( 'disable_html_ns' => true ));
$this -> assertInstanceOf ( '\DOMDocument' , $doc );
$this -> assertEquals ( 'html' , $doc -> documentElement -> tagName );
$this -> assertNull ( $doc -> documentElement -> namespaceURI );
}
public function testDocumentWithATargetDocument ()
{
$targetDom = new \DOMDocument ();
$html = '<!DOCTYPE html><html></html>' ;
$doc = $this -> parse ( $html , array ( 'target_document' => $targetDom ));
$this -> assertInstanceOf ( '\DOMDocument' , $doc );
$this -> assertSame ( $doc , $targetDom );
$this -> assertEquals ( 'html' , $doc -> documentElement -> tagName );
}
public function testDocumentFakeAttrAbsence ()
{
$html = '<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml"><body>foo</body></html>' ;
$doc = $this -> parse ( $html , array ( 'xmlNamespaces' => true ));
$xp = new \DOMXPath ( $doc );
$this -> assertEquals ( 0 , $xp -> query ( '//@html5-php-fake-id-attribute' ) -> length );
}
public function testFragment ()
{
$html = '<div>test</div><span>test2</span>' ;
$doc = $this -> parseFragment ( $html );
$this -> assertInstanceOf ( '\DOMDocumentFragment' , $doc );
$this -> assertTrue ( $doc -> hasChildNodes ());
$this -> assertEquals ( 'div' , $doc -> childNodes -> item ( 0 ) -> tagName );
$this -> assertEquals ( 'test' , $doc -> childNodes -> item ( 0 ) -> textContent );
$this -> assertEquals ( 'span' , $doc -> childNodes -> item ( 1 ) -> tagName );
$this -> assertEquals ( 'test2' , $doc -> childNodes -> item ( 1 ) -> textContent );
}
public function testElements ()
{
$html = '<!DOCTYPE html><html><head><title></title></head><body></body></html>' ;
$doc = $this -> parse ( $html );
$root = $doc -> documentElement ;
$this -> assertEquals ( 'html' , $root -> tagName );
$this -> assertEquals ( 'html' , $root -> localName );
$this -> assertEquals ( 'html' , $root -> nodeName );
$this -> assertEquals ( 2 , $root -> childNodes -> length );
$kids = $root -> childNodes ;
$this -> assertEquals ( 'head' , $kids -> item ( 0 ) -> tagName );
$this -> assertEquals ( 'body' , $kids -> item ( 1 ) -> tagName );
$head = $kids -> item ( 0 );
$this -> assertEquals ( 1 , $head -> childNodes -> length );
$this -> assertEquals ( 'title' , $head -> childNodes -> item ( 0 ) -> tagName );
}
public function testImplicitNamespaces ()
{
$dom = $this -> parse ( '<!DOCTYPE html><html><body><a xlink:href="bar">foo</a></body></html>' );
$a = $dom -> getElementsByTagName ( 'a' ) -> item ( 0 );
$attr = $a -> getAttributeNode ( 'xlink:href' );
$this -> assertEquals ( 'http://www.w3.org/1999/xlink' , $attr -> namespaceURI );
$dom = $this -> parse ( '<!DOCTYPE html><html><body><a xml:base="bar">foo</a></body></html>' );
$a = $dom -> getElementsByTagName ( 'a' ) -> item ( 0 );
$attr = $a -> getAttributeNode ( 'xml:base' );
$this -> assertEquals ( 'http://www.w3.org/XML/1998/namespace' , $attr -> namespaceURI );
}
public function testCustomImplicitNamespaces ()
{
$dom = $this -> parse ( '<!DOCTYPE html><html><body><a t:href="bar">foo</a></body></html>' , array (
'implicitNamespaces' => array (
't' => 'http://www.example.com' ,
),
));
$a = $dom -> getElementsByTagName ( 'a' ) -> item ( 0 );
$attr = $a -> getAttributeNode ( 't:href' );
$this -> assertEquals ( 'http://www.example.com' , $attr -> namespaceURI );
$dom = $this -> parse ( '<!DOCTYPE html><html><body><t:a>foo</t:a></body></html>' , array (
'implicitNamespaces' => array (
't' => 'http://www.example.com' ,
),
));
$list = $dom -> getElementsByTagNameNS ( 'http://www.example.com' , 'a' );
$this -> assertEquals ( 1 , $list -> length );
}
public function testXmlNamespaces ()
{
$dom = $this -> parse (
' <! DOCTYPE html >< html >
< t : body xmlns : t = " http://www.example.com " >
< a t : href = " bar " > foo </ a >
</ body >
< div > foo </ div >
</ html > ' , array (
'xmlNamespaces' => true ,
));
$a = $dom -> getElementsByTagName ( 'a' ) -> item ( 0 );
$attr = $a -> getAttributeNode ( 't:href' );
$this -> assertEquals ( 'http://www.example.com' , $attr -> namespaceURI );
$list = $dom -> getElementsByTagNameNS ( 'http://www.example.com' , 'body' );
$this -> assertEquals ( 1 , $list -> length );
}
public function testXmlNamespaceNesting ()
{
$dom = $this -> parse (
' <! DOCTYPE html >< html >
< body xmlns : x = " http://www.prefixed.com " id = " body " >
< a id = " bar1 " xmlns = " http://www.prefixed.com/bar1 " >
< b id = " bar4 " xmlns = " http://www.prefixed.com/bar4 " >< x : prefixed id = " prefixed " /></ b >
</ a >
< svg id = " svg " ></ svg >
< c id = " bar2 " xmlns = " http://www.prefixed.com/bar2 " ></ c >
< div id = " div " ></ div >
< d id = " bar3 " ></ d >
< xn : d xmlns : xn = " http://www.prefixed.com/xn " xmlns = " http://www.prefixed.com/bar5_x " id = " bar5 " >< x id = " bar5_x " /></ xn : d >
</ body >
</ html > ' , array (
'xmlNamespaces' => true ,
));
$this -> assertEmpty ( $this -> errors );
$div = $dom -> getElementById ( 'div' );
$this -> assertEquals ( 'http://www.w3.org/1999/xhtml' , $div -> namespaceURI );
$body = $dom -> getElementById ( 'body' );
$this -> assertEquals ( 'http://www.w3.org/1999/xhtml' , $body -> namespaceURI );
$bar1 = $dom -> getElementById ( 'bar1' );
$this -> assertEquals ( 'http://www.prefixed.com/bar1' , $bar1 -> namespaceURI );
$bar2 = $dom -> getElementById ( 'bar2' );
$this -> assertEquals ( 'http://www.prefixed.com/bar2' , $bar2 -> namespaceURI );
$bar3 = $dom -> getElementById ( 'bar3' );
$this -> assertEquals ( 'http://www.w3.org/1999/xhtml' , $bar3 -> namespaceURI );
$bar4 = $dom -> getElementById ( 'bar4' );
$this -> assertEquals ( 'http://www.prefixed.com/bar4' , $bar4 -> namespaceURI );
$svg = $dom -> getElementById ( 'svg' );
$this -> assertEquals ( 'http://www.w3.org/2000/svg' , $svg -> namespaceURI );
$prefixed = $dom -> getElementById ( 'prefixed' );
$this -> assertEquals ( 'http://www.prefixed.com' , $prefixed -> namespaceURI );
$prefixed = $dom -> getElementById ( 'bar5' );
$this -> assertEquals ( 'http://www.prefixed.com/xn' , $prefixed -> namespaceURI );
$prefixed = $dom -> getElementById ( 'bar5_x' );
$this -> assertEquals ( 'http://www.prefixed.com/bar5_x' , $prefixed -> namespaceURI );
}
public function testMoveNonInlineElements ()
{
$doc = $this -> parse ( '<p>line1<br/><hr/>line2</p>' );
$this -> assertEquals ( '<html xmlns="http://www.w3.org/1999/xhtml"><p>line1<br/></p><hr/>line2</html>' , $doc -> saveXML ( $doc -> documentElement ), 'Move non-inline elements outside of inline containers.' );
$doc = $this -> parse ( '<p>line1<div>line2</div></p>' );
$this -> assertEquals ( '<html xmlns="http://www.w3.org/1999/xhtml"><p>line1</p><div>line2</div></html>' , $doc -> saveXML ( $doc -> documentElement ), 'Move non-inline elements outside of inline containers.' );
}
public function testAttributes ()
{
$html = " <!DOCTYPE html>
< html >
< head >< title ></ title ></ head >
< body id = 'a' class = 'b c' ></ body >
</ html > " ;
$doc = $this -> parse ( $html );
$root = $doc -> documentElement ;
$body = $root -> GetElementsByTagName ( 'body' ) -> item ( 0 );
$this -> assertEquals ( 'body' , $body -> tagName );
$this -> assertTrue ( $body -> hasAttributes ());
$this -> assertEquals ( 'a' , $body -> getAttribute ( 'id' ));
$this -> assertEquals ( 'b c' , $body -> getAttribute ( 'class' ));
$body2 = $doc -> getElementById ( 'a' );
$this -> assertEquals ( 'body' , $body2 -> tagName );
$this -> assertEquals ( 'a' , $body2 -> getAttribute ( 'id' ));
}
public function testSVGAttributes ()
{
$html = " <!DOCTYPE html>
< html >< body >
< svg width = '150' viewbox = '2' >
< rect textlength = '2' />
< animatecolor > foo </ animatecolor >
</ svg >
</ body ></ html > " ;
$doc = $this -> parse ( $html );
$root = $doc -> documentElement ;
$svg = $root -> getElementsByTagName ( 'svg' ) -> item ( 0 );
$this -> assertTrue ( $svg -> hasAttribute ( 'viewBox' ));
$rect = $root -> getElementsByTagName ( 'rect' ) -> item ( 0 );
$this -> assertTrue ( $rect -> hasAttribute ( 'textLength' ));
$ac = $root -> getElementsByTagName ( 'animateColor' );
$this -> assertEquals ( 1 , $ac -> length );
}
public function testMathMLAttribute ()
{
$html = ' <! doctype html >
< html lang = " en " >
< body >
< math >
< mi > x </ mi >
< csymbol definitionurl = " http://www.example.com/mathops/multiops.html#plusminus " >
< mo >& PlusMinus ; </ mo >
</ csymbol >
< mi > y </ mi >
</ math >
</ body >
</ html > ' ;
$doc = $this -> parse ( $html );
$root = $doc -> documentElement ;
$csymbol = $root -> getElementsByTagName ( 'csymbol' ) -> item ( 0 );
$this -> assertTrue ( $csymbol -> hasAttribute ( 'definitionURL' ));
}
public function testMissingHtmlTag ()
{
$html = '<!DOCTYPE html><title>test</title>' ;
$doc = $this -> parse ( $html );
$this -> assertEquals ( 'html' , $doc -> documentElement -> tagName );
$this -> assertEquals ( 'title' , $doc -> documentElement -> childNodes -> item ( 0 ) -> tagName );
}
public function testComment ()
{
$html = '<html><!--Hello World.--></html>' ;
$doc = $this -> parse ( $html );
$comment = $doc -> documentElement -> childNodes -> item ( 0 );
$this -> assertEquals ( XML_COMMENT_NODE , $comment -> nodeType );
$this -> assertEquals ( 'Hello World.' , $comment -> data );
$html = '<!--Hello World.--><html></html>' ;
$doc = $this -> parse ( $html );
$comment = $doc -> childNodes -> item ( 1 );
$this -> assertEquals ( XML_COMMENT_NODE , $comment -> nodeType );
$this -> assertEquals ( 'Hello World.' , $comment -> data );
$comment = $doc -> childNodes -> item ( 2 );
$this -> assertEquals ( XML_ELEMENT_NODE , $comment -> nodeType );
$this -> assertEquals ( 'html' , $comment -> tagName );
}
public function testCDATA ()
{
$html = '<!DOCTYPE html><html><math><![CDATA[test]]></math></html>' ;
$doc = $this -> parse ( $html );
$wrapper = $doc -> getElementsByTagName ( 'math' ) -> item ( 0 );
$this -> assertEquals ( 1 , $wrapper -> childNodes -> length );
$cdata = $wrapper -> childNodes -> item ( 0 );
$this -> assertEquals ( XML_CDATA_SECTION_NODE , $cdata -> nodeType );
$this -> assertEquals ( 'test' , $cdata -> data );
}
public function testText ()
{
$html = '<!DOCTYPE html><html><head></head><body><math>test</math></body></html>' ;
$doc = $this -> parse ( $html );
$wrapper = $doc -> getElementsByTagName ( 'math' ) -> item ( 0 );
$this -> assertEquals ( 1 , $wrapper -> childNodes -> length );
$data = $wrapper -> childNodes -> item ( 0 );
$this -> assertEquals ( XML_TEXT_NODE , $data -> nodeType );
$this -> assertEquals ( 'test' , $data -> data );
// The DomTreeBuilder has special handling for text when in before head mode.
$html = ' <! DOCTYPE html >< html >
Foo < head ></ head >< body ></ body ></ html > ' ;
$doc = $this -> parse ( $html );
$this -> assertEquals ( 'Line 0, Col 0: Unexpected text. Ignoring: Foo' , $this -> errors [ 0 ]);
$headElement = $doc -> documentElement -> firstChild ;
$this -> assertEquals ( 'head' , $headElement -> tagName );
}
public function testParseErrors ()
{
$html = '<!DOCTYPE html><html><math><![CDATA[test' ;
$doc = $this -> parse ( $html );
// We're JUST testing that we can access errors. Actual testing of
// error messages happen in the Tokenizer's tests.
$this -> assertGreaterThan ( 0 , count ( $this -> errors ));
$this -> assertTrue ( is_string ( $this -> errors [ 0 ]));
}
public function testProcessingInstruction ()
{
// Test the simple case, which is where PIs are inserted into the DOM.
$doc = $this -> parse ( '<!DOCTYPE html><html><?foo bar?>' );
$this -> assertEquals ( 1 , $doc -> documentElement -> childNodes -> length );
$pi = $doc -> documentElement -> firstChild ;
$this -> assertInstanceOf ( '\DOMProcessingInstruction' , $pi );
$this -> assertEquals ( 'foo' , $pi -> nodeName );
$this -> assertEquals ( 'bar' , $pi -> data );
// Leading xml PIs should be ignored.
$doc = $this -> parse ( '<?xml version="1.0"?><!DOCTYPE html><html><head></head></html>' );
$this -> assertEquals ( 2 , $doc -> childNodes -> length );
$this -> assertInstanceOf ( '\DOMDocumentType' , $doc -> childNodes -> item ( 0 ));
$this -> assertInstanceOf ( '\DOMElement' , $doc -> childNodes -> item ( 1 ));
}
public function testAutocloseP ()
{
$html = '<!DOCTYPE html><html><body><p><figure></body></html>' ;
$doc = $this -> parse ( $html );
$p = $doc -> getElementsByTagName ( 'p' ) -> item ( 0 );
$this -> assertEquals ( 0 , $p -> childNodes -> length );
$this -> assertEquals ( 'figure' , $p -> nextSibling -> tagName );
}
public function testAutocloseLI ()
{
$html = ' <! doctype html >
< html lang = " en " >
< body >
< ul >< li > Foo < li > Bar < li > Baz </ ul >
</ body >
</ html > ' ;
$doc = $this -> parse ( $html );
$length = $doc -> getElementsByTagName ( 'ul' ) -> item ( 0 ) -> childNodes -> length ;
$this -> assertEquals ( 3 , $length );
}
public function testMathML ()
{
$html = ' <! doctype html >
< html lang = " en " >
< body >
< math xmlns = " http://www.w3.org/1998/Math/MathML " >
< mi > x </ mi >
< csymbol definitionurl = " http://www.example.com/mathops/multiops.html#plusminus " >
< mo >& PlusMinus ; </ mo >
</ csymbol >
< mi > y </ mi >
</ math >
</ body >
</ html > ' ;
$doc = $this -> parse ( $html );
$math = $doc -> getElementsByTagName ( 'math' ) -> item ( 0 );
$this -> assertEquals ( 'math' , $math -> tagName );
$this -> assertEquals ( 'math' , $math -> nodeName );
$this -> assertEquals ( 'math' , $math -> localName );
$this -> assertEquals ( 'http://www.w3.org/1998/Math/MathML' , $math -> namespaceURI );
}
public function testSVG ()
{
$html = ' <! doctype html >
< html lang = " en " >
< body >
< svg width = " 150 " height = " 100 " viewBox = " 0 0 3 2 " xmlns = " http://www.w3.org/2000/svg " >
< rect width = " 1 " height = " 2 " x = " 2 " fill = " #d2232c " />
< text font - family = " Verdana " font - size = " 32 " >
< textpath xlink : href = " #Foo " >
Test Text .
</ textPath >
</ text >
</ svg >
</ body >
</ html > ' ;
$doc = $this -> parse ( $html );
$svg = $doc -> getElementsByTagName ( 'svg' ) -> item ( 0 );
$this -> assertEquals ( 'svg' , $svg -> tagName );
$this -> assertEquals ( 'svg' , $svg -> nodeName );
$this -> assertEquals ( 'svg' , $svg -> localName );
$this -> assertEquals ( 'http://www.w3.org/2000/svg' , $svg -> namespaceURI );
$textPath = $doc -> getElementsByTagName ( 'textPath' ) -> item ( 0 );
$this -> assertEquals ( 'textPath' , $textPath -> tagName );
}
public function testNoScript ()
{
$html = '<!DOCTYPE html><html><head><noscript>No JS</noscript></head></html>' ;
$doc = $this -> parse ( $html );
$this -> assertEmpty ( $this -> errors );
$noscript = $doc -> getElementsByTagName ( 'noscript' ) -> item ( 0 );
$this -> assertEquals ( 'noscript' , $noscript -> tagName );
$html = '<!DOCTYPE html><html><body><noscript><p>No JS</p></noscript></body></html>' ;
$doc = $this -> parse ( $html );
$this -> assertEmpty ( $this -> errors );
$p = $doc -> getElementsByTagName ( 'p' ) -> item ( 0 );
$this -> assertEquals ( 'p' , $p -> tagName );
}
/**
* Regression for issue #13.
*/
public function testRegressionHTMLNoBody ()
{
$html = '<!DOCTYPE html><html><span id="test">Test</span></html>' ;
$doc = $this -> parse ( $html );
$span = $doc -> getElementById ( 'test' );
$this -> assertEmpty ( $this -> errors );
$this -> assertEquals ( 'span' , $span -> tagName );
$this -> assertEquals ( 'Test' , $span -> textContent );
}
public function testInstructionProcessor ()
{
$string = '<!DOCTYPE html><html><?foo bar ?></html>' ;
$treeBuilder = new DOMTreeBuilder ();
$is = new InstructionProcessorMock ();
$treeBuilder -> setInstructionProcessor ( $is );
$scanner = new Scanner ( $string );
$parser = new Tokenizer ( $scanner , $treeBuilder );
$parser -> parse ();
$dom = $treeBuilder -> document ();
$div = $dom -> getElementsByTagName ( 'div' ) -> item ( 0 );
$this -> assertEquals ( 1 , $is -> count );
$this -> assertEquals ( 'foo' , $is -> name );
$this -> assertEquals ( 'bar ' , $is -> data );
$this -> assertEquals ( 'div' , $div -> tagName );
$this -> assertEquals ( 'foo' , $div -> textContent );
}
public function testSelectGroupedOptions ()
{
$html = <<< EOM
<! DOCTYPE html >
< html >
< head >
< title > testSelectGroupedOptions </ title >
</ head >
< body >
< select >
< optgroup id = " first " label = " first " >
< option value = " foo " > foo </ option >
< option value = " bar " > bar </ option >
< option value = " baz " > baz </ option >
</ optgroup >
< optgroup id = " second " label = " second " >
< option value = " lorem " > lorem </ option >
< option value = " ipsum " > ipsum </ option >
</ optgroup >
</ select >
</ body >
</ html >
EOM ;
$dom = $this -> parse ( $html );
$this -> assertSame ( 3 , $dom -> getElementById ( 'first' ) -> getElementsByTagName ( 'option' ) -> length );
$this -> assertSame ( 2 , $dom -> getElementById ( 'second' ) -> getElementsByTagName ( 'option' ) -> length );
}
public function testVoidTag ()
{
$html = <<< EOM
<! DOCTYPE html >
< html >
< head >
< title > testVoidTag </ title >
< meta >
< meta >
</ head >
< body ></ body >
</ html >
EOM ;
$dom = $this -> parse ( $html );
$this -> assertSame ( 2 , $dom -> getElementsByTagName ( 'meta' ) -> length );
$this -> assertSame ( 0 , $dom -> getElementsByTagName ( 'meta' ) -> item ( 0 ) -> childNodes -> length );
$this -> assertSame ( 0 , $dom -> getElementsByTagName ( 'meta' ) -> item ( 1 ) -> childNodes -> length );
}
public function testIgnoreSelfClosingTag ()
{
$html = <<< EOM
<! DOCTYPE html >
< html >
< head >
< title > testIllegalSelfClosingTag </ title >
</ head >
< body >
< div />< span > Hello , World !</ span ></ div >
</ body >
</ html >
EOM ;
$dom = $this -> parse ( $html );
$this -> assertSame ( 1 , $dom -> getElementsByTagName ( 'div' ) -> item ( 0 ) -> childNodes -> length );
}
public function testIAudioInParagraph ()
{
$html = <<< EOM
<! DOCTYPE html >
< html >
< head >
< title > testIllegalSelfClosingTag </ title >
</ head >
< body >
< p >
< audio preload = " none " controls = " controls " >
< source src = " https://example.com/test.mp3 " type = " audio/mpeg " />
Your browser does not support the audio element .
</ audio >
</ p >
</ body >
</ html >>
</ html >
EOM ;
$dom = $this -> parse ( $html );
$audio = $dom -> getElementsByTagName ( 'audio' ) -> item ( 0 );
$this -> assertSame ( 'p' , $audio -> parentNode -> nodeName );
$this -> assertSame ( 3 , $audio -> childNodes -> length );
}
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public function testClosingBr ()
{
$html = <<< EOM
<! DOCTYPE html >
< html >
< head >
< title > testClosingBr </ title >
</ head >
< body >
< p >
This line ends with a normal line break < br class = " attribute-should-be-retained " >
This line ends with a line break marked up as a closing tag </ br class = " attribute-should-be-discarded " >
</ p >
</ body >
</ html >>
</ html >
EOM ;
$dom = $this -> parse ( $html );
$this -> assertSame ( 2 , $dom -> getElementsByTagName ( 'br' ) -> length );
$this -> assertSame ( 1 , $dom -> getElementsByTagName ( 'br' ) -> item ( 0 ) -> attributes -> length );
$this -> assertSame ( 0 , $dom -> getElementsByTagName ( 'br' ) -> item ( 1 ) -> attributes -> length );
}
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}
